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Employee Benefit Plans (Tables)
 3 Months Ended
Mar. 31, 2018
Compensation and Retirement Disclosure [Abstract]  
Schedule of employee benefits charged to operating expenses
    Three Months Ended March 31,  
(in thousands)   2018     2017  
Payroll taxes   $ 351     $ 356  
Medical plans     548       426  
401k match and profit sharing     186       250  
Periodic pension cost     405       336  
Other     15       16  
Total employee benefits   $ 1,505     $ 1,384  
Schedule of components of net pension cost
    Pension Benefits  
(in thousands)   2018     2017  
Service cost - benefits earned during the year   $ 1,620     $ 1,343  
Interest costs on projected benefit obligations (a)     1,033       1,009  
Expected return on plan assets (a)     (1,267 )     (1,124 )
Expected administrative expenses (a)     93       88  
Amortization of prior service cost (a)     79       79  
Amortization of unrecognized net loss (a)     138       11  
Net periodic pension cost   $ 1,696     $ 1,406  
Net periodic pension cost for the three months ended March 31, (actual)   $ 405     $ 336  

 

(a) The components of net periodic pension cost other than the service cost component are included in other non-interest expense.